根瘤菌
生物
功能(生物学)
门控
共生
钙信号传导
机制(生物学)
核运输
神经科学
信号转导
进化生物学
细胞生物学
遗传学
细胞核
细菌
物理
核心
量子力学
作者
Catherine N. Jacott,Pablo del Cerro
摘要
Abstract Nuclear Ca²⁺ signaling is crucial for symbiotic interactions between legumes and beneficial microbes, such as rhizobia and arbuscular mycorrhizal fungi. Key to generating repetitive nuclear Ca²⁺ oscillations are the ion channels DMI1 and CNGC15. Despite over 20 years of research on symbiotic nuclear Ca²⁺ spiking, important questions remain, including the exact function of the DMI1 channel. This review highlights recent developments that have filled knowledge gaps regarding the regulation of CNGC15 and its interplay with DMI1. We also explore new insights into the evolutionary conservation of DMI1-induced symbiotic nuclear Ca²⁺ oscillations and the roles of CNGC15 and DMI1 beyond symbiosis, such as in nitrate signaling, and discuss new questions this raises. As we delve deeper into the regulatory mechanisms and evolutionary history of these ion channels, we move closer to fully understanding the roles of nuclear Ca²⁺ signaling in plant life.
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